督导者在处理服务对象申述、接受那些不满被督导者的决策而要求与更高层级谈话的服务对象的申请、保护被督导者使其不必处理服务对象对其错误决策的强烈情绪等工作中，实际上是扮演什么样的角色( )。

A．倡导者角色

B．缓冲器角色

C．改革者角色

D．机构变迁推动者

E．评估者角色

Melissa and Love Letter made use of the trust that exists between friends or colleagues. Imagine receiving an (26) from a friend who asks you to open it. This is what happens with Melissa and several other similar email (27) . Upon running, such worms usually proceed to send themselves out to email addresses from the victim’s address book, previous emails, web pages (28) .
As administrators seek to block dangerous email attachments through the recognition of well-known (29) , virus writers use other extensions to circumvent such protection. Executable (.exe) files are renamed to .bat and .cmd plus a whole list of other extensions and will still run and successfully infect target users.
Frequently, hackers try to penetrate networks by sending an attachment that looks like a flash movie, which while displaying some cute animation, simultaneously runs commands in the background to steal your passwords and give the (30) access to your network.

A．virtual

B．virus

C．worms

D．bacteria